Formula supplements, which are promoted as containing "Selenium to support a healthy prostate." Those claims came under fire from the watchdog group the Center for Science in the Public Interest after two studies on selenium came out in June in the Journal of Clinical Oncology, one of which showed selenium provided no benefit and one which showed that for men with a certain gene variant -- one found in three quarters of men -- selenium supplements made the prostate cancer worse. The authors of the second study, from the University of California, San Francisco, concluded that their findings "indicate caution against broad use of selenium supplementation for men with prostate cancer." CSPI released a statement earlier this week in...